Lakhmir Singh Solutions Class 9 Physics Solutions for Exercise in Chapter 1 - Motion
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A freely falling object travels 4.9m in 1st second,14.7m in 2nd second, 24.5m in 3rd second, and so on. This data shows that the motion of a freely falling object is a case of:
a) uniform motion
b) uniform acceleration
c) no acceleration
d) uniform velocity
Answer:
The correct answer b) uniform acceleration
Video transcript
"hi kids how's your practice going
welcome to lido q a video i am vinit
your lido tutor
bringing you this question on your
screen a freely falling object travels
4.9 meter in the first second
14.1 meter in the second second
24.5 meter in the third second and so on
this data shows the motion of a freely
falling object
in a case of now clearly
the distance traveled per unit of time
is increasing so it cannot be a uniform
motion
neither can it be a uniform velocity now
the speed is increasing constantly with
every second
therefore there is acceleration so
the answer is uniform
acceleration right guys
isn't that easy right if you still have
a doubt though
please leave a comment below do like the
video and subscribe to our channel i'll
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